✈ ORD → DUB
7H 46M FROM CHICAGO TO DUBLIN. JET LAG IS NOW YOUR PERSONALITY.
Flight from Chicago to Dublin
From O'Hare (ORD), USA North America → Dublin Airport (DUB), Ireland Europe
How long is the flight from Chicago to Dublin?
A nonstop flight from Chicago (ORD) to Dublin (DUB) takes about 7 hours 46 minutes, covering a great-circle distance of 3,664 miles (5,897 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
7h 46m
Nonstop, scheduled
Distance
3,664 mi
5,897 km · great-circle
Avg speed
759 km/h
Door-to-door including taxi
Time zones & jet lag
Chicago timezone
UTC-5
America/Chicago
Dublin timezone
UTC+1
Europe/Dublin
Time difference
+6h
6 hours ahead
Jet lag (rough)
~6d
Eastward — worse
CO₂ footprint per passenger
Economy class, single passenger. Source: DEFRA 2024 averages.
This flight emits roughly 3.6× the CO₂ of an equivalent train trip and 0.9× a car driven alone over the same distance.